Suppose I have a storage space with two-way mirror based on 2 physical USB drives a and b.
Then I disconnect b and connect it to another computer.
Then I use—write some data—to both degraded storage ...

I recently bought a new PC with a Gigabyte Z97P-D3 motherboard. One of the things it supports that my old machine didn't is RAID so I had planned to transfer my 2x 1TB hard drives from my old machine ...

I am trying to break my RAID 1 array (using onboard intel raid controller) that has Windows 8.1 installed on it. I then want to switch my bios to AHCI mode and boot from one of those drives. Is it as ...

I installed Debian Linux (Wheezy) on a small HDD, added two identical large (2TB) HDDs, and built a RAID1 (without using lvm), using mdadm. I have stored a large quantity of files on the RAID.
I run ...

Lets say I have a few HDDs in a RAID 1 array. From where will I know that one of my HDDs is dead? Is there some kind of automatic alert system or do I have to check it manually? If I have to check it ...

For modern retail hard drives, the Unrecoverable Read Error (URE) is around 1x10E14 bits. This translates into one bad sector for every 12 terabytes of data read. For enterprise class hard drives, its ...

I'm looking for a way to create the RAID 1 array without losing my data on CentOS. Here's my situation: I've got a web server running on CentOS. There is one VG partition with few LV volumes. I bought ...

Assuming I'm in a home environment and I want to keep my data secure, how would I build an expandable custom NAS? I can't afford a real SATA/SAS controller.
I'm thinking of a scalable array of RAID 1 ...

So, I was recently hired on to a company that has shipped out several 24/7 always on servers with solid state drives. I understand that SSD longevity has been improved upon, however to my knowledge ...

I'm creating a btrfs RAID1 array, and I have two SATA3 controllers - one on the motherboard and another in a PCIe slot. For simplicty's sake, let's say I only have two drivers, sda and sdb. Would I ...

I've seen this topic talked about before on this site but with other users using 2 drives for the active partition (booting from the same HDD thats got RAID) however my situation is a bit different.
...

I was using HP ProLiant ML150 G6 with Windows Server 2008 as File Server. Server is configured with 4x250 GB RAID-1. All of a sudden electricity fluctuates and the server got crashed. Now it turns on, ...

My servers Raid 1 disappeared when I did a bios update, And now in order to get it back I have to format my 2 * 3tb hard drives. Which isnt really a solution for me.
So I have desiced to try and make ...

I'm running RAID 1 on an Adaptec 6405. I'm trying to decide if I need to install the ZMCP on the card to provide Cache protection. Adaptec's ZMCP is the equivalent of a BBU - battery backup for the ...

I think I shot myself in the foot here, but let me quickly divulge what's happened:
Intel Matrix Storage Manager started reporting that one of the two disks I had in a RAID1 array configuration had ...

So I decided that I needed a Raid1 backup device for the home.
Mostly to backup documents and media.
There will be about 3-4 Windows systems in the household that would sync files to this device.
I ...